Appendix B - Technical Data
Quincy Compressor-QSI
®
83
QSI 1250
¯
¯
¯
¯
¯
S
TANDARD
°
°
°
°
°
Full Load Operating Pressure
psig
100
110
125
Maximum Operating Pressure
psig
115
125
140
Minimum Operating Pressure
psig
Æ
75
Å
Maximum Ambient Operating Temperature:
Less Cabinet
°F
Æ
115
Å
With Cabinet
°F
Æ
110
Å
Minimum Ambient Operating Temperature
°F
Æ
32
Å
Compressor Drive Motor
HP
Æ
250
300
Rotor Diameter
mm
Æ
321
Å
Male Rotor Speed
rpm
Æ
1790
1785
Female Rotor Speed
rpm
Æ
1193
1190
Rotor Tip Speed
m/sec.
Æ
30.11
30.03
Inlet Capacity
acfm
1269
1264
1255
Displacement at Operating Speed
cfm
Æ
1389
1385
Volumetric Efficiency
%
91.3
91
90.6
Aftercooling
Heat Rejection:
Fluid Cooler
BTU/min.
9592
10096
10853
Aftercooler
BTU/min.
1913
2014
2165
Aftercooler Approach (standard conditions)
°F
Æ
3-5
Å
Maximum Allowable Static Backpressure
in./H
2
O
Æ
0.125
Å
Fan Motor
HP
Æ
10
Å
Fan Motor
rpm
Æ
1170
Å
Fan Flow
cfm
Æ
26500
Å
Water-cooled Cooling
Recommended Inlet Water Pressure
psig
Æ
40-100
Å
Vent Fan Motor
HP
Æ
1/2
Å
Aftercooler Approach to Cooling:
Water Temperature
°F
Æ
13-18
Å
Water Flow less Aftercooler at: 50°F
gpm
Æ
13.9
17.2
70°F
gpm
Æ
19.9
26.4
90°F
gpm
Æ
36.7
62.5
Water Flow with Aftercooler at: 50°F
gpm
Æ
18.5
22.9
70°F
gpm
Æ
25
33.8
90°F
gpm
Æ
47
80
Compressor Fluid
Total Fluid Capacity
gallons
Æ
55
Å
Reservoir Fluid Capacity
gallons
Æ
46.5
Å
Fluid Flow
gpm
Æ
59.5
Å
Typical Fluid Carryover
ppm
Æ
1.5-5
Å
Normal Airend Discharge Temperature
°F
Æ
175-195
Å
Sound (at 1 meter)
Unenclosed (AC/WC)
dB(A)
Æ
95/92
Å
Standard Cabinet (AC/WC)
dB(A)
Æ
91/84
Å
Low Sound Cabinet (AC)
dB(A)
Æ
85
Å
Summary of Contents for QSI 1000
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Page 11: ...Section I General Quincy Compressor QSI 5 MODEL IDENTIFICATION ...
Page 25: ...Quincy Compressor QSI 19 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 65: ...Quincy Compressor QSI 59 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 66: ...Appendix A Dimensional Drawings 60 Quincy Compressor QSI QSI 220 245 air cooled ...
Page 67: ...Appendix A Dimensional Drawings Quincy Compressor QSI 61 QSI 220 245 water cooled ...
Page 68: ...Appendix A Dimensional Drawings 62 Quincy Compressor QSI QSI 250 300 air cooled ...
Page 69: ...Appendix A Dimensional Drawings Quincy Compressor QSI 63 QSI 250 300 water cooled ...
Page 70: ...Appendix A Dimensional Drawings 64 Quincy Compressor QSI QSI 335 370 air cooled ...
Page 71: ...Appendix A Dimensional Drawings Quincy Compressor QSI 65 QSI 335 370 water cooled ...
Page 72: ...Appendix A Dimensional Drawings 66 Quincy Compressor QSI QSI 440 500 air cooled ...
Page 73: ...Appendix A Dimensional Drawings Quincy Compressor QSI 67 QSI 440 500 water cooled ...
Page 74: ...Appendix A Dimensional Drawings 68 Quincy Compressor QSI QSI 540 600 air cooled ...
Page 75: ...Appendix A Dimensional Drawings Quincy Compressor QSI 69 QSI 540 600 water cooled ...
Page 76: ...Appendix A Dimensional Drawings 70 Quincy Compressor QSI QSI 675 750 air cooled ...
Page 77: ...Appendix A Dimensional Drawings Quincy Compressor QSI 71 QSI 675 750 water cooled ...
Page 78: ...Appendix A Dimensional Drawings 72 Quincy Compressor QSI QSI 925 1000 air cooled ...
Page 79: ...Appendix A Dimensional Drawings Quincy Compressor QSI 73 QSI 925 1000 water cooled ...
Page 80: ...Appendix A Dimensional Drawings 74 Quincy Compressor QSI QSI 1175 1250 1400 1500 air cooled ...
Page 81: ...Appendix A Dimensional Drawings Quincy Compressor QSI 75 QSI 1175 1250 1400 1500 water cooled ...
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